16778810

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 31138560

約数和(自身を除く): 14359750

約数列:

[1, 2, 5, 10, 67, 79, 134, 158, 317, 335, 395, 634, 670, 790, 1585, 3170, 5293, 10586, 21239, 25043, 26465, 42478, 50086, 52930, 106195, 125215, 212390, 250430, 1677881, 3355762, 8389405, 16778810]

約数ペア:

[(1, 16778810), (2, 8389405), (5, 3355762), (10, 1677881), (67, 250430), (79, 212390), (134, 125215), (158, 106195), (317, 52930), (335, 50086), (395, 42478), (634, 26465), (670, 25043), (790, 21239), (1585, 10586), (3170, 5293)]